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Mutations in DNA molecules can occur when(1 point) Responses a change occurs in DNA nucleotide bases a change occurs in DNA nucleotide bases replication of DNA is exact replication of DNA is exact RNA codons are replaced by DNA nucleotides RNA codons are replaced by DNA nucleotides a DNA enzyme attaches to an RNA codon

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The correct response is: a change occurs in DNA nucleotide bases. Mutations can occur when there is a change in the sequence of DNA nucleotide bases, either due to errors during DNA replication or exposure to certain mutagens.
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